Canadian Solar Inc is a Canadian solar technology and renewable energy company. It is a manufacturer of solar photovoltaic modules, a provider of battery energy storage solutions, and a developer of utility-scale solar power and battery energy storage projects.. It operates through two business segments CSI Solar and Recurrent Energy segment. The CSI Solar segment focused on solar modules and battery energy storage manufacturing and products. Its Recurrent segment focused on utility-scale solar power and battery energy storage project development and operation. Key revenue is generated from CSI Solar segment.